Motor-driven whistle.



G. F. ATWOGD. MOTOR DRIVEN WHISTLE.

APPLIUATION FILED 00T. 25, 1901.

, 1,004,337. Patented Sept. 26,-1911.

@f1/mam@ gear connection between Suid motor and said an pump, said motor und gear connection being mounted upon said door on the inside of said casing, the said nir pump and its piston effectively closing the opening for Said pump. i

3. The combination with u Weatherproof inclosure having an aperture therein, of a pump casing Within said aperture and closing the same, a whistle extending outside of said inclosure and communicating With. said casing, a. piston in said casina', ,a motor mounted Within said inciosure and connecting meansbetween said motor and said piston, said piston effectively closing the opening in said inclosure through said casing.

4. The combination with fr Weatherproof casing, of a motor mounted inside the casing, n. Whistle mounted outside the easing, e piston cylinder extending through and closing an aperture in the casing, a piston in said cylinder operated by the motor and operating the Whistle, the Said cylinder and its piston effectively rendering the said aperture Weatherproof. i

In Witness whereof, I, hereunto subscribe my neme this 21st day of October A. D., 1907.

' GEORGE F. ATVVOOD.

Witnesses:

ROBERT F. ATWOOD, C. BROKAW. 

